Principal Machine Learning Engineer, Embodied AI and Smart NPCs

Roblox · San Mateo

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Company
Roblox
Location
San Mateo
Salary
$345,040 — $399,420
Posted
February 19, 2026

About this job

As a Principal Machine Learning Engineer within the Creator Services Machine Intelligence team, you will focus on the research and development of Embodied AI and Behavioral Agents that revolutionize how games are created and played on Roblox. You will bridge the gap between cutting-edge research and massive-scale product application, building agents capable of complex 3D gameplay and unblocking many use cases across Roblox, from automated playtesting to ensure quality, to "ML Players" with human-like movement and strategic reasoning, playing with real players in games. You will work on feature extraction, model training, building validation / RL platform as well as inference set up leveraging methods from imitation learning to reinforcement learning.…

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Principal Machine Learning Engineer, Embodied AI and Smart NPCs — Roblox | NewLuxJob